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- /*****************************************************************
- * mps2fbm.c: FBM Release 1.0 25-Feb-90 Michael Mauldin
- *
- * Copyright (C) 1989,1990 by Gary Sherwin & Michael Mauldin.
- * Permission is granted to use this file in whole or in part for
- * any purpose, educational, recreational or commercial, provided
- * that this copyright notice is retained unchanged. This software
- * is available to all free of charge by anonymous FTP and in the
- * UUNET archives.
- *
- * mps2fbm.c: Convert Microtek Encapsulated Postscript to FBM
- *
- * USAGE
- * % mps2fbm < rawfile > fbm
- *
- * EDITLOG
- * LastEditDate = Mon Jun 25 00:26:53 1990 - Michael Mauldin
- * LastFileName = /usr2/mlm/src/misc/fbm/mps2fbm.c
- *
- * HISTORY
- * 25-Jun-90 Michael Mauldin (mlm@cs.cmu.edu) Carnegie Mellon
- * Package for Release 1.0
- *
- * 18-Oct-89 Gary W. Sherwin (sherwin) at Westinghouse STC.
- * Created from raw2fbm.c for MPS format
- *****************************************************************/
-
- # include <stdio.h>
- # include "fbm.h"
-
- # define USAGE \
- "Usage: mps2fbm [ -t'title' -c'credits' ] < rawfile > fbm"
-
- #ifndef lint
- static char *fbmid =
- "$FBM mps2fbm.c <1.0> 25-Jun-90 (C) 1989,1990 by Gary Sherwin & \
- Michael Mauldin, source code available free from MLM@CS.CMU.EDU \
- and from UUNET archives$";
- #endif
- /* MPS bitmap headers in files */
- typedef struct mps_filehdr_struct
- {
- char wlabel[7]; /* Width label */
- char width[4]; /* Width */
- char hlabel[13]; /* Height label */
- char height[4]; /* Height */
- char junk[792]; /* Other stuff we don't use */
- char imgkey[11]; /* Key marking end of header */
- char ehdr[1]; /* End of header */
- } MPSHDR;
-
- main (argc, argv)
- char *argv[];
- { register int j, k, rowlen;
- double aspect = 1.0; /* Default for bitmaps */
- int rows = 400, cols = 640, planes = 1, colpad = 0;
- int rowcount = 1, colcount = 1, shiftcount = 256;
- FBMHDR hdr;
- MPSHDR mpshdr;
- unsigned char *buf, inbyte, nextout, zerro = 0;
- char title[FBM_MAX_TITLE], credits[FBM_MAX_TITLE];
-
- title[0] = '\0';
- credits[0] = '\0';
-
- /* Get the options */
- while (--argc > 0 && (*++argv)[0] == '-')
- { while (*++(*argv))
- { switch (**argv)
- { case 't': strncpy (title, *argv+1, FBM_MAX_TITLE);
- title[FBM_MAX_TITLE-1] = '\0';
- CLRARG; break;
- case 'c': strncpy (credits, *argv+1, FBM_MAX_TITLE);
- credits[FBM_MAX_TITLE-1] = '\0';
- CLRARG; break;
- default: fprintf (stderr, "%s\n", USAGE);
- exit (1);
- }
- }
- }
-
- if (!fread (&mpshdr, 0x340,1,stdin))
- {
- fprintf (stdout, "Could not find mps header\n");
- exit (1);
- }
- cols = atoi (mpshdr.width);
- rows = atoi (mpshdr.height);
- planes = 1;
-
- if (cols < 1 || rows < 1)
- { fprintf (stderr, "Illegal width (%d) and height (%d) must be positive\n",
- cols, rows);
- exit (1);
- }
-
- rowlen = 2 * ((cols * 8 + 15) / 16);
-
- /* Build header */
- hdr.rows = rows;
- hdr.cols = cols;
- hdr.planes = planes;
- hdr.bits = 8;
- hdr.physbits = 8;
- hdr.rowlen = rowlen;
- hdr.plnlen = hdr.rowlen * rows;
- hdr.clrlen = 0;
- hdr.aspect = aspect;
- strcpy (hdr.title, title);
- strcpy (hdr.credits, credits);
-
- write_hdr_fbm (&hdr, stdout);
-
- buf = (unsigned char *) malloc (cols);
-
- colpad = cols % 2;
- rowcount = 1;
- colcount = 1;
- while (rowcount <= rows)
- {
- if (! fread (&inbyte, 1, 1, stdin))
- {
- fprintf (stdout, "premature end of file on input\n");
- exit(1);
- }
- shiftcount = 256;
- while (shiftcount = shiftcount >> 1)
- {
- nextout = inbyte & 128;
- inbyte = inbyte <<1;
- nextout = ~nextout;
- if (! fwrite (&nextout, 1, 1, stdout))
- { perror ("mps2fbm"); exit (1); }
- if (++colcount > cols)
- {
- if (colpad)
- {
- if (! fwrite (&zerro, 1, 1, stdout))
- { perror ("mps2fbm"); exit (1); }
- }
- colcount = 1;
- rowcount++;
- }
- }
- }
- exit (0);
- }
-